cathode-ray direction finder

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• Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …   Wikipedia

• Watson-Watt, Sir Robert Alexander — born April 13, 1892, Brechin, Scot. died Dec. 5, 1973, Inverness Scottish physicist. He began as a meteorologist working on devices for locating thunderstorms. As head of the radio department of Britain s National Physical Laboratory (1935), he… …   Universalium

• Edward George Bowen — Edward George Taffy Bowen, CBE, FRS (14 January, 1911 – 12 August, 1991) was a British physicist who made a major contribution to the development of radar and so helped win both the Battle of Britain and the Battle of the Atlantic.Early… …   Wikipedia

• Kappa Alpha Society Alumni — Notable alumni= Notable Member Key: Member Name, Chapter, Date Joined (not year of graduation)Law and politicsGreat BritainMember of Parliament*William Traven Aitken, University of Toronto, 1924. MP for Bury St. Edmonds 1950 1964. Died in… …   Wikipedia

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

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• photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

• warning system — ▪ military technology Introduction       in military science, any method used to detect the situation or intention of an enemy so that warning can be given.       Because military tactics from time immemorial have stressed the value of surprise… …   Universalium

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• Abkürzungen/Luftfahrt/B–D — Dies ist der zweite Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B (BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL …   Deutsch Wikipedia

• automatic VHF/DF — A ground based direction finding system in which, instead of manually turning the DF aerial to find the null position, it is done automatically. The direction of the transmitting source is immediately indicated on the CRT (cathode ray tube)… …   Aviation dictionary